In a tungsten filament lamp – McqOptions

MCQOPTIONS

1.	In a tungsten filament lamp
A.	the current at the instant of switching is less than operating current
B.	the current at the instant of switching is more than operating current
C.	the current at the instant of switching is equal to operating current
D.	the current at the instant of switching may be less than or equal to operating current
Answer» E.

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